Eratosthenes- The early Greeks knew the Earth was a sphere based on the shadow of Earth on the Moon during lunar eclipses. Eratosthenes proceeded to use this information to measure the circumference of Earth. (1 Jan 220 Jahr v. Chr. – 1 Dez 220 Jahr v. Chr.)
Zugefügt zum Band der Zeit:
Datum:
1 Jan 220 Jahr v. Chr.
1 Dez 220 Jahr v. Chr.
~ 11 months